.blink {
  animation: fade 1000ms infinite;
  -webkit-animation: fade 1000ms infinite;
}

@keyframes fade {
  from {
    opacity: 1;
  }
  50% {
    opacity: 0.1;
  }
  to {
    opacity: 1;
  }
}

@-webkit-keyframes fade {
  from {
    opacity: 1;
  }
  50% {
    opacity: 0.1;
  }
  to {
    opacity: 1;
  }
}
